Home / 455,919,502.15-629,169,451.05-247,075,644.80

Finding the Fourth Proportional to 455,919,502.15, 629,169,451.05 and 247,075,644.80

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Solution

The fourth proportional to 455,919,502.15, 629,169,451.05 and 247,075,644.80 is: 340,964,681.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,919,502.15 : 629,169,451.05 = 247,075,644.80 : x
  2. Step 2: Convert to fraction form
    455,919,502.15/629,169,451.05 = 247,075,644.80/x
  3. Step 3: Cross multiply
    455,919,502.15x = 629,169,451.05 × 247,075,644.80
  4. Step 4: Simplify right side
    455,919,502.15x = 155,452,447,806,640,768
  5. Step 5: Solve for x
    x = 155,452,447,806,640,768/455,919,502.15
  6. Step 6: Final answer
    x = 340,964,681.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.